Finding the Fourth Proportional to 372,382.34, 558,129.62 and 259,451.06
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Solution
The fourth proportional to 372,382.34, 558,129.62 and 259,451.06 is: 388,867.32
Step by Step Solution
- Step 1: Write the proportion equation
372,382.34 : 558,129.62 = 259,451.06 : x - Step 2: Convert to fraction form
372,382.34/558,129.62 = 259,451.06/x - Step 3: Cross multiply
372,382.34x = 558,129.62 × 259,451.06 - Step 4: Simplify right side
372,382.34x = 144,807,321,526.40 - Step 5: Solve for x
x = 144,807,321,526.40/372,382.34 - Step 6: Final answer
x = 388,867.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.